drivers/gpu/drm/nouveau/nouveau_fence.h

   1 #ifndef __NOUVEAU_FENCE_H__
   2 #define __NOUVEAU_FENCE_H__
   3
   4 struct nouveau_drm;
   5
   6 struct nouveau_fence {
   7         struct list_head head;
   8         struct kref kref;
   9
  10         bool sysmem;
  11
  12         struct nouveau_channel *channel;
  13         unsigned long timeout;
  14         u32 sequence;
  15 };
  16
  17 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  18                        struct nouveau_fence **);
  19 struct nouveau_fence *
  20 nouveau_fence_ref(struct nouveau_fence *);
  21 void nouveau_fence_unref(struct nouveau_fence **);
  22
  23 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  24 bool nouveau_fence_done(struct nouveau_fence *);
  25 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  26 int  nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
  27
  28 struct nouveau_fence_chan {
  29         struct list_head pending;
  30         struct list_head flip;
  31
  32         int  (*emit)(struct nouveau_fence *);
  33         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  34                      struct nouveau_channel *);
  35         u32  (*read)(struct nouveau_channel *);
  36         int  (*emit32)(struct nouveau_channel *, u64, u32);
  37         int  (*sync32)(struct nouveau_channel *, u64, u32);
  38
  39         spinlock_t lock;
  40         u32 sequence;
  41 };
  42
  43 struct nouveau_fence_priv {
  44         void (*dtor)(struct nouveau_drm *);
  45         bool (*suspend)(struct nouveau_drm *);
  46         void (*resume)(struct nouveau_drm *);
  47         int  (*context_new)(struct nouveau_channel *);
  48         void (*context_del)(struct nouveau_channel *);
  49
  50         wait_queue_head_t waiting;
  51         bool uevent;
  52 };
  53
  54 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  55
  56 void nouveau_fence_context_new(struct nouveau_fence_chan *);
  57 void nouveau_fence_context_del(struct nouveau_fence_chan *);
  58
  59 int nv04_fence_create(struct nouveau_drm *);
  60 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  61
  62 int  nv10_fence_emit(struct nouveau_fence *);
  63 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  64                      struct nouveau_channel *);
  65 u32  nv10_fence_read(struct nouveau_channel *);
  66 void nv10_fence_context_del(struct nouveau_channel *);
  67 void nv10_fence_destroy(struct nouveau_drm *);
  68 int  nv10_fence_create(struct nouveau_drm *);
  69
  70 int  nv17_fence_create(struct nouveau_drm *);
  71 void nv17_fence_resume(struct nouveau_drm *drm);
  72
  73 int nv50_fence_create(struct nouveau_drm *);
  74 int nv84_fence_create(struct nouveau_drm *);
  75 int nvc0_fence_create(struct nouveau_drm *);
  76
  77 int nouveau_flip_complete(void *chan);
  78
  79 struct nv84_fence_chan {
  80         struct nouveau_fence_chan base;
  81         struct nouveau_vma vma;
  82         struct nouveau_vma vma_gart;
  83         struct nouveau_vma dispc_vma[4];
  84 };
  85
  86 struct nv84_fence_priv {
  87         struct nouveau_fence_priv base;
  88         struct nouveau_bo *bo;
  89         struct nouveau_bo *bo_gart;
  90         u32 *suspend;
  91 };
  92
  93 u64  nv84_fence_crtc(struct nouveau_channel *, int);
  94 int  nv84_fence_context_new(struct nouveau_channel *);
  95
  96 #endif